<?php

// require typehint functionality
require_once 'typehint.php';


/*
 * Additional helper functions
 */

/**
* get a column of a twodimensional array
*
* @param array $array
* @param integer $columnIndex
* @return array
*/
function getColumnofTwoDimensionalArray(array $array, string $key)
{
	$output = array();

	// while i smaller than size of array
	for($i = 0, $count = count($array); $i <$count; $i++)
	{
		// save columnvalue in output array
		$output[] = $array[$i][$key];
	}

	return $output;
}

/**
 * Dumps the output of a variable in a more readable manner.
 *
 * This function is part of the Spoon Library. More information,
 * documentation and tutorials can be found @ http://www.spoon-library.com
 *
 * @package		spoon
 * @author		Davy Hellemans <davy@spoon-library.com>
 * @author 		Tijs Verkoyen <tijs@spoon-library.com>
 * @author		Dave Lens <dave@spoon-library.com>
 *
 * @return	void
 * @param	mixed $var
 * @param	bool[optional] $exit
 * @license
 * Copyright (c) 2008, Davy Hellemans
All rights reserved.

Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this list
  of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, this list
  of conditions and the following disclaimer in the documentation and/or other materials
  provided with the distribution.
* Neither the name of Spoon Library nor the names of its contributors may be used to
endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
function dump($var, $exit = true)
{
        // fetch var
        ob_start();
        var_dump($var);
        $output = ob_get_clean();

        // cleanup the output
        $output = preg_replace("/\]\=\>\n(\s+)/m", "] => ", $output);

        // print
        echo '<pre>'. htmlspecialchars($output, ENT_QUOTES, 'UTF-8') .'</pre>';

        // stop script
        if($exit) exit;
}

?>